摘要： -Mummy, would you buy me an MP3 if I behave well in the following week? -I , I promise. A. could B. should C. will D. do [解析]选B.考查情态动词的用法.根据I promise可知.此处是主语向对方作出承诺.用在一.三人称陈述句中.表示对对方的允诺时用shall, 此处用should使语气更加委婉.
网址：http://m.1010jiajiao.com/timu3_id_3102211[举报]
—Mummy, would you buy me an MP3 if I behave well in the following week?
—I ______, I promise.
A. could B. should C. will D. do
查看习题详情和答案>>